St. Mary, ND truck route planning & crash data
Plan safer truck routes in St. Mary: commercial truck and garbage truck crashes in St. Mary and McLean County, dangerous roads, seasonality and route safety data for fleets. Patterns use McLean County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 86 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How McLean County compares with North Dakota
McLean County against North Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where McLean County stands out
Full comparison
| Measure (2015–2025) | McLean County | North Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 70.2 | 73.9 | 49.7 | same |
| Deaths per 100 crashes | 2.6 | 4.1 | 3.4 | 37% below the state |
| Injuries per crash | 0.41 | 0.33 | 0.49 | 1.2× the state |
| Garbage-truck share | 1.3% | 0.9% | 2.3% | 1.5× the state |
| On snow, slush or ice | 23.7% | 34.4% | 6.2% | 31% below the state |
| Morning rush (6–10 am) | 23.7% | 22.7% | 23.7% | same |
| In rain, sleet or snow | 13.2% | 16.2% | 13.8% | 19% below the state |
| Winter months (Nov–Mar) | 36.8% | 47.2% | 41.9% | 22% below the state |
| After dark | 10.5% | 24.7% | 24.8% | 57% below the state |
Compared with North Dakota, McLean County is lower on deaths per 100 crashes, on snow, slush or ice and in rain, sleet or snow. It runs above North Dakota on injuries per crash and garbage-truck share.
What stands out in McLean County: October worst month: 15.1% of truck crashes, vs 8.3% in an average month.
Overview
Police reported 86 crashes involving commercial trucks in McLean County since 2015: 33 people were injured and 2 were killed.
In complete reporting years that works out to about one truck crash every 53 days.
Only 0 truck crashes were reported in St. Mary since 2015; patterns below come from McLean County as a whole.
83% of truck crash reports in McLean County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is October with 15.1% of truck crashes; the quietest is February at 2.3%.
Winter months (Nov–Mar) carry 36.8% of truck crashes, vs 47.2% for North Dakota.
The busiest hour is 11 am–12 pm, with 14.1% of truck crashes.
23.7% of truck crashes here happened on snow, slush or ice, against 34.4% across North Dakota.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of St. Mary since 2015.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 1.2% of the total, against 0.9% across North Dakota.
Route planning tips for St. Mary fleets
- Review driver schedules for October, the month with the most truck crashes.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in McLean County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (McLean County) |
|---|---|
| 12Th St Nw | 1 |
| 14Th St Nw | 1 |
| Hwy 83 Mm 136 | 1 |
| SR-41 | 1 |
| Seventh St | 1 |
St. Mary at a glance
| Population | 204 |
| Land area | 33.2 sq mi |
| Density | 6 per sq mi |
| Median household income (ZIP 58565) | $73,333 |
| Median home value (ZIP 58565) | $227,000 |
Waste facilities and haulers nearby
Historical data: truck crashes in McLean County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 4 | — | 0.4 |
| 2000s | 4 | +2% | 0.5 |
| 2010s | 9 | +141% | 0.3 |
| 2020s | 6 | -27% | 0.2 |
In the 1990s about 4 truck crashes a year were reported; in the 2020s, about 6. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about St. Mary
How common are truck crashes in St. Mary?
McLean County has had 86 reported truck crashes since 2015, injuring 33 people and killing 2.
When do most truck crashes happen in St. Mary?
October has the most truck crashes in McLean County, 15.1% of the yearly total.
Are garbage truck crashes common in St. Mary?
1 crash involving garbage or refuse trucks have been reported in McLean County since 2015, 1.2% of all truck crashes.
What is the truck crash rate in St. Mary compared with North Dakota?
The yearly rate is 70.2 truck crashes per 100,000 residents in McLean County, vs 73.9 for North Dakota.
How do I plan a garbage truck route in St. Mary?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.